CVE-2015-3183
httpd: HTTP request smuggling attack against chunked request parser
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · July 15, 2015
Updated · November 2, 2026
Description
Multiple flaws were found in the way httpd parsed HTTP requests and responses using chunked transfer encoding. A remote attacker could use these flaws to create a specially crafted request, which httpd would decode differently from an HTTP proxy software in front of it, possibly leading to HTTP request smuggling attacks.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0 · 2.6AV:N/AC:H/Au:N/C:N/I:N/A:P
CWE-172 · Improper Encoding or Decoding of Data